They've got plenty of antioxidants. Better yet, they're easy to work into your diet. Leave a bowl of apples on your counter and you'll have a kidney-healthy, grab-and-go snack whenever you need one.
Until then, you can take a look at the Rogue Company Elite tier list of the best characters, and use the codes for other platforms! It's actually super easy to redeem Rogue Company codes on your PS.